A latch
CA 2585074 C · Owner: Stevens, Kevin John · Inventors: Stevens, Kevin John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A latch assembly for use with a window sash sliding mounted with a window frame. The , latch includes a bolt (18) moveable in a body (10) between a retracted position and a , projecting position. In the projecting position the bolt (18) is engageable in cavity in a , strike (12). A connecting mechanism in the form of cranks (20) couple the bolt (18) to , an operating member (14), which is part of latch furniture (11). A magnetic actuating , element (29) and a biasing element (33) are coupled to the bolt (18) whereby when the , latch body (10) is disposed relative to a strike (12) in a position where the bolt (18) can , engage with the strike (12) a magnetic attraction between a …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed October 25, 2005 and granted September 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 25, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.